A method for improving power supply reliability

A technology with reliability and power outage range, applied in the field of power grid, can solve the problems of low operability, weak target, difficult to popularize and apply, etc., and achieve the effect of optimal investment benefit ratio.
CN104537569AInactive Publication Date: 2015-04-22STATE GRID CORP OF CHINA +2
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Applications(China)
Current Assignee / Owner
STATE GRID CORP OF CHINA
Publication Date
2015-04-22
Estimated Expiration
Not applicable Β· inactive patent

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Abstract

The invention discloses a method for improving power supply reliability. The method comprises the steps of determining a system of power supply reliability influence factors; analyzing a reliability planning and improving measure; and determining a reliability planning scheme; wherein, the power supply reliability influence factors comprise a factor influencing the power failure times of various devices in different power failure types, a factor influencing the power failure duration of the various devices in different power failure types, and a factor influencing the power failure various devices in different power failure types. The method for improving power supply reliability analyzes relevance between a power supply reliability status index and each of the influence factors, and specifically an influence degree of each of the factors on the reliability index, constructs the complete and systematic system of the influence factors, and mines a weak link for the status reliability according to the system.
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Description

technical field

[0001] The invention relates to the field of power grids, in particular to a method for improving power supply reliability. Background technique

[0002] At present, in the power grid planning methods widely used in my country, the analysis of power supply reliability is usually based on accident prediction or quasi-quantitative analysis of the "N-1" criterion. This method is easy to operate and has strong practicability, but there is no clear goal in quantitatively improving the power supply reliability index, which is one of the reasons for the low average power supply reliability in my country.

[0003] In recent years, the State Grid Corporation of China has studied reliability-based distribution network target grid planning under the large-scale planning system, and in this way strengthened the leading role of planning in construction. In some studies, in order to quantitatively analyze the reliability index in power grid planning, the reliability targe...

Claims

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